42497232 has 20 divisors (see below), whose sum is σ = 109784640. Its totient is φ = 14165728.

The previous prime is 42497227. The next prime is 42497237. The reversal of 42497232 is 23279424.

It is an interprime number because it is at equal distance from previous prime (42497227) and next prime (42497237).

It is a junction number, because it is equal to n+sod(n) for n = 42497193 and 42497202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42497237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442632 + ... + 442727.

It is an arithmetic number, because the mean of its divisors is an integer number (5489232).

Almost surely, 2^42497232 is an apocalyptic number.

It is an amenable number.

42497232 is an abundant number, since it is smaller than the sum of its proper divisors (67287408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42497232 is a wasteful number, since it uses less digits than its factorization.

42497232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885370 (or 885364 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 42497232 is about 6518.9901058369. The cubic root of 42497232 is about 348.9690259674.

The spelling of 42497232 in words is "forty-two million, four hundred ninety-seven thousand, two hundred thirty-two".